# Difficulty level rising fast

**URL:** <https://forum.grin.mw/t/difficulty-level-rising-fast/3256>\
**Category:** Mining\
**Created:** [January 26, 2019, 6:45am UTC](https://forum.grin.mw/t/difficulty-level-rising-fast/3256 "2019-01-26T06:45:23Z")\
**Posts on this page:** 5\
**Page:** 2

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**Author:** ![zex](https://avatars.discourse-cdn.com/v4/letter/z/258eb7/32.png) [@zex](https://forum.grin.mw/u/zex)\
**Post date:** [August 7, 2019, 10:46am UTC](https://forum.grin.mw/t/difficulty-level-rising-fast/3256/21 "2019-08-07T10:46:25Z")

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I am having a little farm of 20 1080ti , I used to mine around 8 -9 girn a day , now is about 5.5 - 6 grin … so it is less , but all other coins on what to mine are less too …

oh yes , I am minim on c31 … c29 is even less

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**Author:** ![andro](https://avatars.discourse-cdn.com/v4/letter/a/a587f6/32.png) [@andro](https://forum.grin.mw/u/andro)\
**Post date:** [August 7, 2019, 11:17am UTC](https://forum.grin.mw/t/difficulty-level-rising-fast/3256/22 "2019-08-07T11:17:04Z")

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Thank you for the chart! Yeah in this case, my concerns are invalid 😉

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**Author:** ![halo](https://avatars.discourse-cdn.com/v4/letter/h/57b2e6/32.png) [@halo](https://forum.grin.mw/u/halo)\
**Post date:** [August 7, 2019, 4:27pm UTC](https://forum.grin.mw/t/difficulty-level-rising-fast/3256/23 "2019-08-07T16:27:11Z")

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What miner do you use for C31? Gminer and bminer keep crashing for me. Sounds about right… I can get about 2-3 grin per day with 6 GPUs on C29.

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**Author:** ![halo](https://avatars.discourse-cdn.com/v4/letter/h/57b2e6/32.png) [@halo](https://forum.grin.mw/u/halo)\
**Post date:** [August 7, 2019, 4:27pm UTC](https://forum.grin.mw/t/difficulty-level-rising-fast/3256/24 "2019-08-07T16:27:29Z")

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How do we know that there isn’t an efficient miner exploiting the new algo?

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**Author:** ![tromp](https://yyz2.discourse-cdn.com/flex036/user_avatar/forum.grin.mw/tromp/32/22_2.png) [@tromp](https://forum.grin.mw/u/tromp)\
**Post date:** [August 7, 2019, 10:23pm UTC](https://forum.grin.mw/t/difficulty-level-rising-fast/3256/25 "2019-08-07T22:23:40Z")

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Every miner is twice as efficient in finding cycles, by exploiting the doubling of solutions:-)

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